FR2194656A1 - - Google Patents

Info

Publication number
FR2194656A1
FR2194656A1 FR7327803A FR7327803A FR2194656A1 FR 2194656 A1 FR2194656 A1 FR 2194656A1 FR 7327803 A FR7327803 A FR 7327803A FR 7327803 A FR7327803 A FR 7327803A FR 2194656 A1 FR2194656 A1 FR 2194656A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7327803A
Other languages
French (fr)
Other versions
FR2194656B1 (enrdf_load_html_response
Inventor
David Charles Climenhage
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DuPont Canada Inc
Original Assignee
DuPont Canada Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DuPont Canada Inc filed Critical DuPont Canada Inc
Publication of FR2194656A1 publication Critical patent/FR2194656A1/fr
Application granted granted Critical
Publication of FR2194656B1 publication Critical patent/FR2194656B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
FR7327803A 1972-07-31 1973-07-30 Expired FR2194656B1 (enrdf_load_html_response)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA148,355A CA968474A (en) 1972-07-31 1972-07-31 Treatment of nitrogenous effluents
ZA00747010A ZA747010B (en) 1972-07-31 1974-10-31 Improved treatment of nitrogenous effluents

Publications (2)

Publication Number Publication Date
FR2194656A1 true FR2194656A1 (enrdf_load_html_response) 1974-03-01
FR2194656B1 FR2194656B1 (enrdf_load_html_response) 1979-10-19

Family

ID=25667087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327803A Expired FR2194656B1 (enrdf_load_html_response) 1972-07-31 1973-07-30

Country Status (8)

Country Link
JP (1) JPS4952452A (enrdf_load_html_response)
BE (1) BE802959A (enrdf_load_html_response)
CA (1) CA968474A (enrdf_load_html_response)
DE (1) DE2338853A1 (enrdf_load_html_response)
FR (1) FR2194656B1 (enrdf_load_html_response)
GB (2) GB1441241A (enrdf_load_html_response)
NL (1) NL7310574A (enrdf_load_html_response)
ZA (1) ZA747010B (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715256A1 (de) * 1976-04-12 1977-10-27 Air Prod & Chem Herstellung von aktiviertem schlamm mit verringertem volumen

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE405351C (sv) * 1975-04-25 1987-11-16 Svenska Sockerfabriks Ab Forfarande for biologisk rening av kolhydrat- och/eller proteinrikt avloppsvatten
US4043936A (en) * 1976-02-24 1977-08-23 The United States Of America As Represented By United States Energy Research And Development Administration Biological denitrification of high concentration nitrate waste
US4179374A (en) * 1976-05-12 1979-12-18 Dravo Corporation Apparatus for the treatment of wastewater
CH621751A5 (en) * 1976-09-24 1981-02-27 Attisholz Cellulose Process for the biochemical purification of waste water containing organic constituents which favour the undesirable development of filamentous bacteria and/or the formation of bulking sludge
US4315823A (en) * 1976-10-29 1982-02-16 Celanese Corporation Anaerobic treatment
DE2825007C2 (de) * 1978-06-07 1987-02-26 Boris Petrovič Šantalaj Verfahren zur Reinigung von Abwasser
DE2904335A1 (de) * 1979-02-06 1980-11-20 Bayer Ag Verfahren zur reinigung von abwasser mit einem hohen gehalt an stickstoffverbindungen
US4415453A (en) * 1980-10-21 1983-11-15 Celanese Corporation Anaerobic treatment
DE3130718A1 (de) * 1981-08-03 1983-03-03 Passavant-Werke AG & Co KG, 6209 Aarbergen Anlage zur biologischen abwasserreinigung sowie verfahren zum betrieb der anlage
DE3134879A1 (de) * 1981-09-03 1983-04-07 Menzel Gmbh & Co, 7000 Stuttgart Verfahren zur biochemischen stoffumsetzung
DE3208173A1 (de) * 1982-03-06 1983-09-08 Volker Dipl.-Ing. 7200 Tuttlingen Stengelin Verfahren und vorrichtung zum entfernen des stickstoffs aus dem abwasser mittels tauchtropfkoerper
DE3238089A1 (de) * 1982-10-14 1984-04-19 Ballhaus, Heribert, Dipl.-Ing. Dr.-Ing, 7517 Waldbronn Geraet zur detektion von korrosionsschaeden an stahlseilfoerdergurten
SE8603843A0 (sv) * 1986-09-12 1988-03-13 Vyrmetoder Ab Förfarande för rening av avloppsvatten innehållande nitrat och/eller nitrit
EP2279152A4 (en) 2008-03-28 2012-11-28 Siemens Industry Inc SYSTEMS AND METHODS FOR AEROBIC AND ANAEROBIC HYBRID TREATMENT OF WASTEWATER AND SLUDGE
US8894856B2 (en) 2008-03-28 2014-11-25 Evoqua Water Technologies Llc Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods
WO2011068931A1 (en) 2009-12-03 2011-06-09 Siemens Industry, Inc. Systems and methods for nutrient removal in biological treatment systems
EP2560922A4 (en) 2010-04-21 2015-10-07 Evoqua Water Technologies Pte Ltd METHOD AND SYSTEMS FOR WASTEWATER PROCESSING
US9359236B2 (en) 2010-08-18 2016-06-07 Evoqua Water Technologies Llc Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle
CN103068748A (zh) 2010-08-18 2013-04-24 西门子工业公司 接触-稳定/初期-浮选混合
AU2014262972B2 (en) 2013-05-06 2017-09-28 Evoqua Water Technologies Llc Wastewater biosorption with dissolved air flotation
DE102015002395A1 (de) * 2015-02-23 2016-08-25 HAWK Hochschule für angewandte Wissenschaft und Kunst Fachhochschule Hildesheim/Holzminden/Göttingen Verfahren und Anlage zur Abwasserreinigung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875151A (en) * 1952-04-22 1959-02-24 Schenley Ind Inc Process for treatment of sewage

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875151A (en) * 1952-04-22 1959-02-24 Schenley Ind Inc Process for treatment of sewage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715256A1 (de) * 1976-04-12 1977-10-27 Air Prod & Chem Herstellung von aktiviertem schlamm mit verringertem volumen
FR2348159A1 (fr) * 1976-04-12 1977-11-10 Air Prod & Chem Procede de production d'une boue activee facilement decantable dans l'epuration des eaux residuaires

Also Published As

Publication number Publication date
GB1440171A (en) 1976-06-23
JPS4952452A (enrdf_load_html_response) 1974-05-21
BE802959A (fr) 1973-11-16
NL7310574A (enrdf_load_html_response) 1974-02-04
ZA747010B (en) 1975-11-26
FR2194656B1 (enrdf_load_html_response) 1979-10-19
CA968474A (en) 1975-05-27
DE2338853A1 (de) 1974-02-14
GB1441241A (en) 1976-06-30

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Legal Events

Date Code Title Description
ST Notification of lapse